---
id: CVE-2026-91842
title: A vulnerability has been found in OpenBankProject OBP-API up to 1.10.1
summary: >-
  A vulnerability has been found in OpenBankProject OBP-API up to 1.10.1. This
  impacts the function KryoInjection.invert of the file
  obp-api/src/main/scala/code/api/cache/Redis.scala of the component Kryo
  Handler. Such manipulation leads t…
severity: medium
cvss: 4.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-20
  - CWE-502
vendor: OpenBankProject
product: OBP-API
affected:
  - OBP-API 1.10.0
  - OBP-API 1.10.1
published: '2026-09-15'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T17:53:40.500'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-91842'
references:
  - url: 'https://github.com/OpenBankProject/OBP-API/'
    label: cna@vuldb.com
  - url: 'https://github.com/OpenBankProject/OBP-API/issues/2888'
    label: cna@vuldb.com
  - url: >-
      https://github.com/OpenBankProject/OBP-API/security/advisories/GHSA-889g-wggr-jrrq
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-91842'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/933652'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/404073'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/404073/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T15:48:03.770634Z'
ingestedAt: '2026-09-15T15:39:12.903Z'
epss: 0.00383
epssPercentile: 0.29592
---

## Overview

A vulnerability has been found in OpenBankProject OBP-API up to 1.10.1. This impacts the function KryoInjection.invert of the file obp-api/src/main/scala/code/api/cache/Redis.scala of the component Kryo Handler. Such manipulation leads to deserialization. The attack can be launched remotely. A high complexity level is associated with this attack. The exploitability is said to be difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.